單項選擇題Which statement describes the process of dynamically assigning IP addresses by the DHCP server?（）

A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B. Addresses are permanently assigned so that the hosts uses the same address at all times.
C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.
D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.


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1.單項選擇題On corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?（）

A. a router with subinterfaces configured on the physical interface that is connected to the switch
B. a router with an IP address on the physical interface connected to the switch
C. a switch with an access link that is configured between the switches
D. a switch with a trunk link that is configured between the switches

2.單項選擇題A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?（）

A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.

3.單項選擇題Which switch would STP choose to become the root bridge in the selection process?（）

A. 32768: 11-22-33-44-55-66
B. 32768: 22-33-44-55-66-77
C. 32769: 11-22-33-44-55-65
D. 32769: 22-33-44-55-66-78

5.單項選擇題Where does routing occur within the DoD TCP/IP reference model?（）

A. application
B. internet
C. network
D. transport

7.單項選擇題For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?（）

A. 192.0.2.0
B. 192.0.2.255
C. 192.0.3.255
D. 192.0.4.0

9.單項選擇題What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect?（）

A. 6, 9, 12, 18
B. 1, 2, 5.5, 6
C. 5.5, 6, 9, 11
D. 1, 2, 5.5, 11

10.單項選擇題Which port state is introduced by Rapid-PVST?（）

A. learning
B. listening
C. discarding
D. forwarding

最新試題

What is the purpose of the cisco Vlan Trunking protocol?（）

題型：單項選擇題

A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）

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Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

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When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）

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At which layer of the OSI model is RSTP used to prevent loops?（）

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What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）

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An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）

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Which statement describes the rule of split horizon?（）

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Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）

題型：單項選擇題

Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

題型：單項選擇題